EMC Symmetrix Device Group Performance

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Capacity Manager > Storage Performance > EMC Symmetrix Device Group Performance

View a table of Symmetrix device group performance metrics.

Metrics that can be selected for the charts include % Busy, Host IO per second, Host MBps, Requests per second, and Read and Write response times. Values represented in this report are averages for the time period.

Table: EMC Symmetrix Device Group Performance

Column name	Description
Array Name	Name of the storage array. This name is derived from the Symmetrix ID.
Avg Read Latency	The average time that it took the Symmetrix to serve one read IO for this group.
Max Read Latency	The MAX of the average time that it took the Symmetrix to serve one read IO for this group.
Read Latency Std Dev	The Std Dev of average time that it took the Symmetrix to serve one read IO for this group.
Avg Write Latency	The average time that it took the Symmetrix to serve one write IO for this group.
Max Write Latency	The MAX of the average time that it took the Symmetrix to serve one write IO for this group.
Write Latency Std Dev	The Standard Deviation of average time that it took the Symmetrix to serve one write IO for this group.
Avg Read Hits	The number of host read operations performed each second by the group that were immediately satisfied from cache.
Max Read Hits	The MAX of the number of host read operations performed each second by the group that were immediately satisfied from cache.
Avg Write Hits	The number of host write operations performed each second by the group that were immediately satisfied from cache.
Max Write Hits	The MAX of the number of host write operations performed each second by the group that were immediately satisfied from cache.
Avg Write MB/Sec	The cumulative number of host MBs written per second by the group.
Max Write MB/Sec	The MAX of the cumulative number of host MBs written per second by the group.
Avg Read MB/Sec	The cumulative number of host MBs read per second by the group.
Max Read MB/Sec	The cumulative number of host MBs read per second by the group.
Avg Write IOPS	The number of host write operations performed each second by the group.
Max Write IOPS	The MAX of the number of host write operations performed each second by the group.
Avg Read IOPS	The number of host read operations performed each second by the group that were immediately satisfied from cache.
Max Read IOPS	The MAX of the number of host read operations performed each second by the group.
Avg Total IOPS	Average total input/output operations per second, including both read and write operations.

EMC Symmetrix Device Group Performance

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